Editing Xenotransplantation and Organ Engineering (section)

== <span style="color: #FFFFFF;">Understanding</span> ==
Organ engineering is understood through '''Compatibility''' and '''Growth'''.

'''1. The "Pig" as a "Donor" (Xeno)''':
"The Humanized Animal."
* (See Article 148). **Pigs** have "Organs" that are "Similar" in **"Size and Function"** to "Humans."
* Using **"CRISPR,"** scientists "Delete" the "Pig Genes" that "Trigger" the "Human Immune Attack."
* They also "Add" **"Human Protective Genes."**
* The "Animal" "Becomes" a **"Living Factory"** for "Human Life."
* "Biology" is **"Plug-and-Play."**

'''2. The "Printer" as a "Surgeon" (Bioprinting)''':
"Building from the Bottom Up."
* (See Article 158). Imagine "Printing" a **"Kidney"** using the **"Patient's Own Stem Cells."**
* Because the "Cells" are **"Yours,"** there is **"No Rejection"** and **"No Need"** for "Immunosuppressant Drugs."
* This "Removes" the "Dependency" on "Death" to "Save Life."
* "Health" is **"Manufacturing."**

'''3. The "Chimera" Question (In-vivo Engineering)''':
"Growing Humans in Animals."
* Scientists "Attempt" to "Inject" "Human Stem Cells" into "Pig Embryos" that have "No Genetic Blueprint" for a "Specific Organ" (like 'The Heart').
* The "Human Cells" "Take Over" and **"Grow a Human Heart"** "Inside" the "Animal Body."
* This "Raises" "Deep Questions" about **"Animal Rights"** and **"Human Identity."**
* "The Body" is **"A Substrate."**

'''The 'Maryland' Pig Heart (2022)'''': A "Historic" "Medical Success." A "Human Patient" (David Bennett) "Lived" for **Two Months** with a **"Genetically Modified Pig Heart."** It proved that "Xenotransplantation" is "Functional" and "Moving" toward "Clinical Use."
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